Untrusted search path vulnerability in SciTools Understand before 2.6 build 600 allows local users to gain privileges via a Trojan horse wintab32.dll file in the current working directory, as demonstrated by a directory that contains a .udb file. NOTE: some of these details are obtained from third party information.
http://www.zeroscience.mk/en/vulnerabilities/ZSL-2012-5071.php
http://www.scitools.com/support/buildLogs/understand26_build_log.html